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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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* Copyright (C) 2008 Sun Microsystems, Inc.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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** Ask for a password from tty
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** This is an own file to avoid conflicts with curses
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#include "libdrizzle.h"
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#include <sys/ioctl.h>
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#ifdef HAVE_TERMIOS_H /* For tty-password */
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# define TERMIO struct termios
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# ifdef HAVE_TERMIO_H /* For tty-password */
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# define TERMIO struct termio
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# define TERMIO struct sgttyb
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Can't use fgets, because readline will get confused
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length is max number of chars in to, not counting \0
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to will not include the eol characters.
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static void get_password(char *to, uint32_t length,int fd, bool echo)
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char *pos=to,*end=to+length;
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if (read(fd,&tmp,1) != 1)
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if (tmp == '\b' || (int) tmp == 127)
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fputs("\b \b",stdout);
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if (tmp == '\n' || tmp == '\r' || tmp == 3)
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if (iscntrl(tmp) || pos == end)
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while (pos != to && isspace(pos[-1]) == ' ')
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pos--; /* Allow dummy space at end */
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char *get_tty_password(const char *opt_message)
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if (isatty(fileno(stdout)))
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fputs(opt_message ? opt_message : "Enter password: ",stdout);
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# if defined(HAVE_TERMIOS_H)
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tcgetattr(fileno(stdin), &org);
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tmp.c_lflag &= ~(ECHO | ISIG | ICANON);
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tcsetattr(fileno(stdin), TCSADRAIN, &tmp);
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get_password(buff, sizeof(buff)-1, fileno(stdin), isatty(fileno(stdout)));
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tcsetattr(fileno(stdin), TCSADRAIN, &org);
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# elif defined(HAVE_TERMIO_H)
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ioctl(fileno(stdin), (int) TCGETA, &org);
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tmp.c_lflag &= ~(ECHO | ISIG | ICANON);
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ioctl(fileno(stdin),(int) TCSETA, &tmp);
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get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stdout)));
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ioctl(fileno(stdin),(int) TCSETA, &org);
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gtty(fileno(stdin), &org);
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tmp.sg_flags &= ~ECHO;
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stty(fileno(stdin), &tmp);
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get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stdout)));
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stty(fileno(stdin), &org);
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if (isatty(fileno(stdout)))